首页  英汉  汉英  英英  词组  用法  例句  同义词  写作  俚语  缩写  词源  词根  法汉  德汉  日汉  俄汉  韩汉  西汉  意汉  泰汉  越汉

单词	cerium
释义	cerium /ˈsɪərɪəm / noun [mass noun] The chemical element of atomic number 58, a silvery-white metal. It is the most abundant of the lanthanide elements and is the main component of the alloy misch metal. (Symbol: Ce) Green light is also emitted from some lanthanide elements: lanthanum, cerium, and terbium.... Correlated systems include radioactive metals, such as plutonium, and compounds based on so-called rare earth elements and transition metals, such as cerium, ytterbium and copper. That porous layer, which contains stabilized zirconia and small amounts of the metals ruthenium and cerium, chemically and cleanly converts the fuel to hydrogen. Origin Early 19th century: named after the asteroid Ceres, discovered shortly before. Rhymes imperium, magisterium
随便看	overpeopled overpersuade overpersuasion overpert overpester overpick overpitch overplant overplanted overplanting overplay overplay one's hand overplease overpleased over-pleasing overplot overplotted overplotting overplough overploughing overplus overpole overpoled overpopulate overpopulation

英语词典包含243303条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。